Home / 2,712,608.82-4,066,424.91-1,215,884.34

Finding the Fourth Proportional to 2,712,608.82, 4,066,424.91 and 1,215,884.34

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Solution

The fourth proportional to 2,712,608.82, 4,066,424.91 and 1,215,884.34 is: 1,822,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,608.82 : 4,066,424.91 = 1,215,884.34 : x
  2. Step 2: Convert to fraction form
    2,712,608.82/4,066,424.91 = 1,215,884.34/x
  3. Step 3: Cross multiply
    2,712,608.82x = 4,066,424.91 × 1,215,884.34
  4. Step 4: Simplify right side
    2,712,608.82x = 4,944,302,367,854.91
  5. Step 5: Solve for x
    x = 4,944,302,367,854.91/2,712,608.82
  6. Step 6: Final answer
    x = 1,822,711.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.